In which of the following types of bonding are electrons shared widely by many atoms, as shown in this figure?
A. intermolecular
B. ionic
C. metallic
D. covalent
Answer: C
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Suppose that the same amount of heat is added to both a 5-liter and a 10-liter container of water. The change in temperature of the 5-liter container will be
A. greater. B. less. C. the same. D. indeterminate
In the mature stage of an ordinary single-cell thunderstorm
A) lightning is most likely to occur. B) the updrafts weaken substantially. C) precipitation is light to moderate. D) cloud droplets shrink and evaporate. E) none of the above
A solution of acetic acid is labeled 15%(w/v). How much water must be added to 30. mL of this solution to reduce the concentration to 5.0%(w/v)? [Assume volumes are additive.]
A) 30. mL B) 60. mL C) 90. mL D) 120 mL
A change of one degree on the Celsius scale is ____ a change of one degree on the Fahrenheit scale
a. equal to b. larger than c. smaller than d. in the opposite direction of e. insignificant in comparison to